<template>
  <h2>姓名：{{ name }}</h2>
  <h2>年龄：{{ age }}</h2>
  <h2>薪资：{{ job.j1.salary }}</h2>
  <button @click="name += '~'">修改姓名</button>
  <button @click="age++ ">增长年龄</button>
  <button @click="job.j1.salary++">涨薪</button>
</template>

<script>
import {ref, reactive, toRef, toRefs} from 'vue'
export default {
  name: 'Demo',
  //数据
  setup(){
    //数据
    let person = reactive({
      name: '张三',
      age: 18,
      job: {
          j1: {
              salary: 20
          }
      }
    })
    
    // const name1 = person.name
    // console.log('%%%', name1);

    // const name2 = toRef(person, 'name')
    // console.log('###', name2);

    const x = toRefs(person)
    console.log('@@@', x);

    //返回一个对象（常用）
    return {
      // name: toRef(person, 'name'),
      // age: toRef(person, 'age'),
      // salary: toRef(person.job.j1, 'salary')
      ...toRefs(person)
    }
  }
}
</script>

